<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
              placeholder="请输入内容"
              v-model="queryInfo.query"
              clearable
              @clear="getGoodsLsit"
          >
            <el-button
                slot="append"
                icon="el-icon-search"
                @click="getGoodsLsit"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button
              type="primary"
              @click="goAddpage"
          >添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table视图区域 -->
      <el-table
          :data="goodslist"
          border
          stripe
      >
        <el-table-column type="index"></el-table-column>
        <el-table-column
            label="商品名称"
            prop="goods_name"
        ></el-table-column>
        <el-table-column
            label="商品价格(元)"
            prop="goods_price"
            width="95px"
        ></el-table-column>
        <el-table-column
            label="商品重量"
            prop="goods_weight"
            width="70px"
        ></el-table-column>
        <el-table-column
            label="创建时间"
            prop="add_time"
            width="150px"
        >
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column
            label="操作"
            width="130px"
        >
          <template slot-scope="scope">
            <el-button
                type="primary"
                size="mini"
                icon="el-icon-edit"
            ></el-button>
            <el-button
                type="danger"
                size="mini"
                icon="el-icon-delete"
                @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
          background=""
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      // 商品列表
      goodslist: [],
      // 总数据
      total: 0,
    };
  },
  created() {
    this.getGoodsLsit();
  },
  components: {},
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsLsit() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取权限失败!");
      }
      console.log(res.data);
      this.goodslist = res.data.goods;
      this.total = res.data.total;
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodsLsit();
    },
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodsLsit();
    },
    // 删除商品
    async removeById(goods_id) {
      const confirmResult = await this.$confirm(
          "此操作将永久删除该分类, 是否继续?",
          "提示",
          {
            confirmButtonText: "确定",
            cancelButtonText: "取消",
            type: "warning",
          }
      ).catch((err) => err);
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除！");
      }

      const { data: res } = await this.$http.delete(`goods/${goods_id}`);
      if (res.meta.status !== 200) {
        return this.$message.error("删除失败!");
      }
      this.$message.success("删除商品成功!");
      // 刷新列表数据
      this.getGoodsLsit();
    },
    // 路由到添加的界面
    goAddpage() {
      this.$router.push("/goods/add");
    },
  },
};
</script>

<style scoped lang="less">
</style>
